Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwFRjj2C0pM+STvuNLnL7X/TxLuW9dl3nKzzn+yALj7mUDG8JjPhUqBWhZJr… (844 chars)"
  }
}